*{
	margin: 0;
	padding: 0;	
}
.slider{
	position: relative;	
	width: 400px;
	height: 500px;
	margin: 100px auto;
	overflow: hidden;
}
.slider .slider_scroll{
	position: relative;
	width: 400px;
	height: 500px;
}
.slider_main{
	position: relative;
	width: 400px;
	height: 500px;
}
.slider_main .item{
	position: absolute;
	width: 400px;
	height: 500px;
}
.slider_main .item img{
	width: 400px;
	height: 500px;
}
.slider_index{
	width: 400px;
	height: 40px;
	text-align: center;
	color: #fff;
	font-weight: 700;
	z-index: 20;
	position: absolute;
	bottom: 0;
	background-color: rgba(0,0,0,.5);
	cursor: pointer;
}
.slider_scroll span{
	position: absolute;
	width: 30px;
	height: 68px;
	top: 50%;
	margin-top: -34px;
	cursor: pointer;
}
.next{
	right: 0;
	background: url(../images/next.png) no-repeat center;
	background-color: gray;
}
.prev{
	left: 0;
	background: url(../images/pvre.png) no-repeat center;
	background-color: gray;
}
#box{
	background-image:url(../images/pvre.png);
	width: 100px;
	height: 100px;
	background-color: gray;
}
.index_now{
	color: orange;
	margin: 0 15px;
	line-height: 2.5;
}
.index_common{
	margin: 0 15px;
}